curl --request GET \
  --url https://api.amplemarket.com/mailboxes \
  --header 'Authorization: Bearer <token>'

{
  "mailboxes": [
    {
      "id": "0197c138-8b2e-7888-8ae2-05e16faf50a4",
      "email": "mailbox@example.com",
      "email_provider": "google",
      "daily_email_limit": 50,
      "status": "active",
      "user": {
        "id": "0197c138-8b05-7b05-9ead-fd21290d1a08",
        "name": "Example User",
        "email": "foo-21@email.com"
      },
      "created_at": "2025-06-30T14:23:17Z",
      "updated_at": "2025-06-30T14:23:17Z"
    }
  ],
  "_links": {
    "self": {
      "href": "/mailboxes?page[size]=20"
    }
  }
}